Problem with forum categories

[Raioneru]

Whenever I click a Category all the forums on that category look like this:
http://vvcap.net/db/hgTZyszkpMyCHVPEfFZT.png

Does anyone has an idea on how or what is making it act like that?
Thank you

[Videx]

Who knows. You haven't given us any shred of information like your forum url (at the very least).